Rack



FIG. 1 is a perspective view of a rack, according to an embodiment of the invention.

FIG. 2 is a top view of a rack, according to an embodiment of the invention.

FIG. 3 is a bottom view of a rack, according to an embodiment of the invention.

FIG. 4 is a front view of a rack, according to an embodiment of the invention; the rear view being identical thereto; and,

FIG. 5 is a right view of a rack, according to an embodiment of the invention; the left view being identical thereto.

The broken lines shown in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a rack, as shown and described. 